The answer is D. Tom thumb
Innovations in farming techniques that led to great productivity.
1.- <em>Three Point Linkage</em>. Developed by Harry Ferguson, this invention raised or lowered the plough, depending on the depth farmers wanted to dig.
2.- <em>Genetical Modified Corps</em>. Scientist isolate genes with some desirable traits to improve the quality of the plant.
3.- <em>Fertiliser Deep Placement.</em> A new form of fertiliser that increased the Yields.
4.- <em>New Feeding Methods</em>. Blending different components of food to improve the quality of nutrition.
The question is incomplete, so the complete question is as follows:
What is an example of a reason why historical interpretations may change over time?
A. Archeologists may uncover new climate evidence.
B. Political scientists discover a new method of scientific research.
C. Economists may learn more about how ancient governments operated.
D. New X-ray technology proves that previous medical conclusions were incorrect.
Answer:
A). Archeologists may uncover new climate evidence.
Explanation:
The Archeologists works to reveal several historical interpretations on thebasis of facts gathered from primary sources of evidence.
The example that [roves chnaging interpretation over time by archeologists is that they may uncover new climate evidence which can change the earlier facts and can reveal several new things. Archeologists can change tehir views whenever they will find some new and more strong evidences.
Hence, the correct option is "A".
C) about 60 million dead and parts of Europe & Asia devastated.
